Several cast changes have been announced for the West End production of Chicago.

Beginning Dec. 1, Gaby Roslin will return to the role of Mama Morton for eight weeks. She left the role eight months ago, and will combine her West End stint with presenting "The Terry & Gaby Show," live each day on Channel Five.

On Nov. 3 Tiffany Graves returns to the Kander and Ebb musical to star as Velma Kelly. Alex Bourne will make his debut in the show starring as Billy Flynn, also on Nov. 3. Bourne has starred in many West End productions including Show Boat, Grease, Disney's Beauty and the Beast and Buddy.

Anita Dobson, Ruthie Henshall and Kevin Richardson, currently playing the roles of Mama, Velma and Billy, leave the show at the end of their contracts. Frances Ruffelle and Paul Baker remain with the show starring as Roxie Hart and Amos Hart.